Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 10 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/09/2018   07:29:14   (   0.33,-135.61) (   0.41,-135.10)   57.56                80
 10/11/2018   07:17:02   (   0.33,-135.60) (   1.08,-132.15)  392.95                80
 10/11/2018   19:38:17   (  -0.34,-135.64) (   0.03,-137.30)  189.74                80
 10/13/2018   19:28:44   (  -0.33,-135.62) (  -0.58,-134.34)  145.20                80
 10/14/2018   07:50:08   (   0.33,-135.59) (  -0.52,-139.53)  448.77                80
 10/15/2018   19:16:32   (  -0.32,-135.60) (  -1.25,-131.39)  479.56                80
 10/16/2018   07:37:55   (   0.33,-135.56) (   0.09,-136.57)  114.72                80
 10/18/2018   07:23:03   (   0.32,-135.54) (   0.76,-133.62)  218.83                80
 10/18/2018   19:44:18   (  -0.32,-135.55) (   0.36,-138.77)  365.82                80
 10/20/2018   19:32:05   (  -0.32,-135.52) (  -0.25,-135.81)   32.71                80
 10/22/2018   19:22:33   (  -0.32,-135.48) (  -0.91,-132.85)  299.87                80